Philips SL*18
Compact fluorescent lamp | Science Museum Group Collection
Philips SL*18
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Philips SL 18/R40 Fluorescent 23-Watt Reflector Lamp Light Bulb 23W 120V | eBay
Philips SL 18 watt
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Philips SL*18
6 x RARE Vintage Philips Holland ES E27 SL Prismatic 13w Low Energy Bulb NEW 8711500701992 | eBay
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Philips SL*18 Demonstration Lamp
